EP 3585066 A1 20191225 - ACOUSTIC LENS AND SPEAKER SYSTEM
Title (en)
ACOUSTIC LENS AND SPEAKER SYSTEM
Title (de)
AKUSTISCHE LINSE UND LAUTSPRECHERSYSTEM
Title (fr)
LENTILLE ACOUSTIQUE ET SYSTÈME DE HAUT-PARLEUR
Publication
Application
Priority
- JP 2017029312 A 20170220
- JP 2018001108 W 20180117
Abstract (en)
Acoustic lens (40R) includes a plurality of fins arranged at a predetermined interval. At least one fin (44b, 44c) among the plurality of fins includes: first notch portion (45) provided on a front side of a path of a sound; and second notch portion (46b, 46c) provided on a rear side of the path of the sound. Second notch portion (46b, 46c) has a shape corresponding to a shape of a diaphragm of a speaker disposed in proximity to the fin.
IPC 8 full level
CPC (source: EP US)
G10K 11/30 (2013.01 - EP); H04R 1/02 (2013.01 - US); H04R 1/34 (2013.01 - US); H04R 1/345 (2013.01 - EP US); G10K 2210/1053 (2013.01 - EP)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
US 10863263 B2 20201208; US 2019253792 A1 20190815; EP 3585066 A1 20191225; EP 3585066 A4 20200304; EP 3585066 B1 20240529; JP 6675063 B2 20200401; JP WO2018150788 A1 20191107; WO 2018150788 A1 20180823
DOCDB simple family (application)
US 201816344038 A 20180117; EP 18753969 A 20180117; JP 2018001108 W 20180117; JP 2018568049 A 20180117